package idv.loveloser.dao;

import java.util.List;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A data access object (DAO) providing persistence and search support for
 * MdlQuestionCalculated entities. Transaction control of the save(), update()
 * and delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see idv.loveloser.dao.MdlQuestionCalculated
 * @author MyEclipse Persistence Tools
 */

public class MdlQuestionCalculatedDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory
			.getLogger(MdlQuestionCalculatedDAO.class);
	// property constants
	public static final String QUESTION = "question";
	public static final String ANSWER = "answer";
	public static final String TOLERANCE = "tolerance";
	public static final String TOLERANCETYPE = "tolerancetype";
	public static final String CORRECTANSWERLENGTH = "correctanswerlength";
	public static final String CORRECTANSWERFORMAT = "correctanswerformat";

	public void save(MdlQuestionCalculated transientInstance) {
		log.debug("saving MdlQuestionCalculated instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(MdlQuestionCalculated persistentInstance) {
		log.debug("deleting MdlQuestionCalculated instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public MdlQuestionCalculated findById(java.lang.Long id) {
		log.debug("getting MdlQuestionCalculated instance with id: " + id);
		try {
			MdlQuestionCalculated instance = (MdlQuestionCalculated) getSession()
					.get("idv.loveloser.dao.MdlQuestionCalculated", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(MdlQuestionCalculated instance) {
		log.debug("finding MdlQuestionCalculated instance by example");
		try {
			List results = getSession()
					.createCriteria("idv.loveloser.dao.MdlQuestionCalculated")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding MdlQuestionCalculated instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from MdlQuestionCalculated as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByQuestion(Object question) {
		return findByProperty(QUESTION, question);
	}

	public List findByAnswer(Object answer) {
		return findByProperty(ANSWER, answer);
	}

	public List findByTolerance(Object tolerance) {
		return findByProperty(TOLERANCE, tolerance);
	}

	public List findByTolerancetype(Object tolerancetype) {
		return findByProperty(TOLERANCETYPE, tolerancetype);
	}

	public List findByCorrectanswerlength(Object correctanswerlength) {
		return findByProperty(CORRECTANSWERLENGTH, correctanswerlength);
	}

	public List findByCorrectanswerformat(Object correctanswerformat) {
		return findByProperty(CORRECTANSWERFORMAT, correctanswerformat);
	}

	public List findAll() {
		log.debug("finding all MdlQuestionCalculated instances");
		try {
			String queryString = "from MdlQuestionCalculated";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public MdlQuestionCalculated merge(MdlQuestionCalculated detachedInstance) {
		log.debug("merging MdlQuestionCalculated instance");
		try {
			MdlQuestionCalculated result = (MdlQuestionCalculated) getSession()
					.merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(MdlQuestionCalculated instance) {
		log.debug("attaching dirty MdlQuestionCalculated instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(MdlQuestionCalculated instance) {
		log.debug("attaching clean MdlQuestionCalculated instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}